The Guardian Liu Hengshun.

Set in the late Qing Dynasty and early Republic of China, the story follows Liu Hengshun, a police officer in Tianjin with a mysterious past. After losing his parents in a fire, he masters a unique skill, earning the nickname “Fire God” for solving complex cases. While investigating strange crimes and battling the secretive Mogu Dao, Liu uncovers shocking truths about his origins.